Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/prefs/pref_value_map.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_PREFS_PREF_VALUE_MAP_H_
 #define CHROME_BROWSER_PREFS_PREF_VALUE_MAP_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 40 matching lines @@
   // the value was found and of the proper type.
   bool GetBoolean(const std::string& key, bool* value) const;
 
   // Gets a string value for |key| and stores it in |value|. Returns true if
   // the value was found and of the proper type.
   bool GetString(const std::string& key, std::string* value) const;
 
   // Sets the value for |key| to the string |value|.
   void SetString(const std::string& key, const std::string& value);
 
+  // Gets an int value for |key| and stores it in |value|. Returns true if
+  // the value was found and of the proper type.
+  bool GetInteger(const std::string& key, int* value) const;
+
+  // Sets the value for |key| to the int |value|.
+  void SetInteger(const std::string& key, const int value);
+
   // Compares this value map against |other| and stores all key names that have
   // different values in |differing_keys|. This includes keys that are present
   // only in one of the maps.
   void GetDifferingKeys(const PrefValueMap* other,
                         std::vector<std::string>* differing_keys) const;
 
  private:
   typedef std::map<std::string, base::Value*> Map;
 
   Map prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefValueMap);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_VALUE_MAP_H_